Upgrade emulator to emu-master-dev build 4581728

1558f41f2455087f51b65a24901c787cf26501b1
target/i386: fix phminposuw in-place operation

Fixes x86_64 tcg

Change-Id: I771a7b2a318ed1b5cd739d47c77b7a2c63e9f7ef
28 files changed